EXTINCTION

extinction, extinguishing, quenching

(noun) the act of extinguishing; causing to stop burning; “the extinction of the lights”

extinction, experimental extinction

(noun) a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus

extinction, extermination

(noun) complete annihilation; “they think a meteor cause the extinction of the dinosaurs”

extinction

(noun) the reduction of the intensity of radiation as a consequence of absorption and radiation

extinction, defunctness

(noun) no longer in existence; “the extinction of a species”

extinction

(noun) no longer active; extinguished; “the extinction of the volcano”

Source: WordNet® 3.1

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Etymology

Noun

extinction (countable and uncountable, plural extinctions)

The action of making or becoming extinct; annihilation.

(astronomy) The absorption or scattering of electromagnetic radiation emitted by astronomical objects by intervening dust and gas before it reaches the observer.

(pathology) The inability to perceive multiple stimuli simultaneously

Anagrams

• ctenitoxin

Source: Wiktionary

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Ex*tinc"tion, n. Etym: [L. extinctio, exstinction: cf. F. extinction.]

1. The act of extinguishing or making extinct; a putting an end to; the act of putting out or destroying light, fire, life, activity, influence, etc.

2. State of being extinguished or of ceasing to be; destruction; suppression; as, the extinction of life, of a family, of a quarrel, of claim.

Source: Webster’s Unabridged Dictionary 1913 Edition

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